What to do if Honeywell GPS shows XPNDR TCAS DATA Check?
If the Honeywell GPS displays an XPNDR TCAS DATA Check message, inspect the following: the maximum airspeed program pins, the data bus wires (4), the No. 1 XPNDR DATA BUS Mode S address wires, the suppression coax cable, and the No. 2 XPNDR DATA BUS power wires/circuit breaker.
What to do if Honeywell GPS shows XPNDR ALT DATA Check?
If the Honeywell GPS displays an XPNDR ALT DATA Check message, examine the altitude source and its associated wiring.
What to do if Honeywell CAS-100 shows XPNDR TOP ANT Check?
If the Honeywell GPS displays an XPNDR TOP ANT Check message, check the coaxial connectors, coax cable, coax XPNDR LOWER ANT switches, coax switch circuit, and transponder antenna No. 1.
What to do if Honeywell CAS-100 shows TD FAIL?
If the Honeywell GPS indicates a TD FAIL, inspect the PPI for defects.
What to do if Honeywell CAS-100 shows XPNDR CONTROL DATA loss or incorrect data?
If there is a loss of or incorrect XPNDR CONTROL DATA on the Honeywell GPS, check the Mode S transponder/control unit, as this indicates XPNDR CONTROL DATA issues.
Explains the function and purpose of the CAS-100 system.
Details the primary functions of the CAS-100 system.
Description and basic functions of the TPA-100A TCAS processor.
Explains the TA/VSI display's general and resolution advisory functions.
Describes the RA/VSI display's functions and resolution advisories.
Outlines the functions of the Mode S Transponder in the CAS-100 system.
Explains the purpose of fault isolation for TCAS failures.
Details the process for finding the source of TCAS failures.
Procedure for using the control unit to start and monitor self-tests.
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